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11356 Commits

Author SHA1 Message Date
Keith McGuigan
81475bf1a6 6615981: JVM class file parser incorrectly rejects class files with version < 45.2 
A check on Code length did not take into account the old sizes of the max_stack, max_locals, and code_length.

Reviewed-by: phh, sbohne
 2008-04-10 12:21:01 -04:00
Chuck Rasbold
87c524d47e Merge 2008-04-09 15:10:22 -07:00
Keith McGuigan
c8e6b3d60b 6583644: Move all managed/SCCS files out of 'build' into 'make' directory 
Moved makefiles out of build and build/closed into make/

Reviewed-by: kvn, ohair
 2008-04-09 14:22:48 -04:00
Xiomara Jayasena
86c8eed0db Added tag jdk7-b25 for changeset 408b55da75b0 2008-04-09 11:18:58 -07:00
Chuck Rasbold
ba411c2466 6684385: Loop unswitching crashes without LoopNode 
Without LoopNode, exit early from loop unswitching and partial peeling

Reviewed-by: kvn, never, sgoldman
 2008-04-09 09:25:45 -07:00
Keith McGuigan
d63c022d94 Merge 2008-04-09 10:38:30 -04:00
Y. Srinivas Ramakrishna
8b3a19628f 6685160: fix cscope build with hg 
Use hg's fstatus instead of teamware's nametable to trigger cscope database rebuild

Reviewed-by: jcoomes, kamg
 2008-04-08 12:10:35 -07:00
Steve Goldman
c89e39d40a 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on 
Rewrite frame::safe_for_sender and friends to be safe for collector/analyzer

Reviewed-by: dcubed, kvn
 2008-04-08 12:23:15 -04:00
Chuck Rasbold
bfbfdfa428 6663908: NegativeArraySizeException is not thrown 
Don't optimize zero length array allocations at compile time.

Reviewed-by: kvn, never
 2008-04-07 15:15:16 -07:00
Andrey Petrusenko
0ae0691490 Merge 2008-04-07 09:32:49 -07:00
Keith McGuigan
dcfe7d7fc6 Merge 2008-04-04 10:48:43 -04:00
Tom Rodriguez
3093e354db 6646020: assert(in_bb(n),"must be in block") in -Xcomp mode 
Reviewed-by: kvn, rasbold
 2008-04-03 21:26:03 -07:00
Chuck Rasbold
21dbe47a30 6624474: Server compiler generates unexpected LinkageError 
Fix load_signature_classes to tolerate LinkageErrors

Reviewed-by: kvn, never
 2008-04-03 13:33:13 -07:00
Xiaobin Lu
3bc5120d53 6671882: memory access after free in solaris/vm/os_solaris.cpp 
Corrected the wrong memory access problem and made some minor clean ups

Reviewed-by: dholmes, jcoomes
 2008-04-03 12:21:06 -07:00
Tom Rodriguez
89290f2817 6619271: The -Xprintflags causes the VM to segv 
Add null checks

Reviewed-by: jrose, kvn
 2008-04-03 10:20:44 -07:00
Chuck Rasbold
1659f11da6 Merge 2008-04-03 06:41:16 -07:00
Vladimir Kozlov
ccaa58c5db 6681577: PIT: some VM tests fails with -XX:+AggressiveOpts in 6u5p b01 
C2 spends > 60% in escape analysis code during test nsk/regression/b4675027.

Reviewed-by: never
 2008-04-02 16:59:37 -07:00
John R Rose
0d27a8639f 6667042: PrintAssembly option does not work without special plugin 
Remove old private plugin interface, simplify, rework old plugin to use unchanged Gnu sources

Reviewed-by: kvn, rasbold
 2008-04-02 12:09:59 -07:00
Vladimir Kozlov
659a8dc7d5 6681646: Relocking of a scalar replaced object during deoptimization is broken 
Relocking of a thread-local object during deoptimization is broken

Reviewed-by: kbr, jrose, never
 2008-04-01 16:14:18 -07:00
Andrey Petrusenko
252a10cf1a 6539517: CR 6186200 should be extended to perm gen allocation to prevent spurious OOM's from perm gen 
Reviewed-by: ysr, jmasa
 2008-04-01 15:13:47 +04:00
Vladimir Kozlov
833746644c 6682236: C2 hits ideal nodes limit during IGVN optimization with EA 
Missing check in LoadNode::Ideal() causes infinite generation of a value Phi.

Reviewed-by: jrose, never
 2008-03-31 18:37:36 -07:00
Tom Rodriguez
1a350ad182 6636352: Unit tests for supplementary character support fail with -XX:+AggressiveOpts 
Incorrect encoding

Reviewed-by: kvn, rasbold, sgoldman, jrose
 2008-03-31 16:22:52 -07:00
John Coomes
b63d2cdd27 6679422: networkStream::connect() in ostream.cpp is not 64-bit clean 
Reviewed-by: jmasa, xlu
 2008-03-28 23:35:42 -07:00
John Coomes
5ac01e984f 6642862: Code cache allocation fails with large pages after 6588638 
Reviewed-by: apetrusenko
 2008-03-28 23:35:42 -07:00
Vladimir Kozlov
2ea233816f 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments 
BcEscapeAnalyzer does not analyze methods with no oop arguments.

Reviewed-by: rasbold
 2008-03-28 11:52:29 -07:00
Tom Rodriguez
0530e0d854 6680594: Load + Load isn't canonicalized leading to missed GVN opportunities 
Reviewed-by: kvn, jrose
 2008-03-28 09:00:39 -07:00
Antonios Printezis
6bfbc36dcd Merge 2008-03-27 17:22:06 -07:00
Vladimir Kozlov
fb63e29743 6679854: assert in escape.cpp:397 
The assert misses the case CastX2P 'base' for an unsafe field reference

Reviewed-by: never, jrose
 2008-03-27 09:12:54 -07:00
Tom Rodriguez
50bc5573a8 6679708: No_Safepoint_Verifier and BacktraceBuilder have uninitialized fields 
Fix or remove uninitialized fields

Reviewed-by: kvn, rasbold
 2008-03-26 12:25:06 -07:00
Chuck Rasbold
446895de2d Merge 2008-03-21 08:32:17 -07:00
Vladimir Kozlov
c58e0f9c95 6678377: Update build number for HS12 
B01 -> b02

Reviewed-by: kvn
 2008-03-21 00:49:06 -07:00
Vladimir Kozlov
cdd27962da 6674600: (Escape Analysis) Optimize memory graph for instance's fields 
EA gives opportunite to do more aggressive memory optimizations.

Reviewed-by: never, jrose
 2008-03-20 15:11:44 -07:00
Vladimir Kozlov
1ba2523386 6259129: (Escape Analysis) scalar replacement for not escaping objects 
Use scalar replacement with EA to remove allocations for objects which do not escape the compiled method.

Reviewed-by: rasbold, never, jrose
 2008-03-20 13:51:55 -07:00
Tom Rodriguez
a2b4f55757 6663621: JVM crashes while trying to execute api/java_security/Signature/SignatureTests.html#initSign tests 
Alignment expression with secondary induction variables is sometimes wrong

Reviewed-by: kvn, rasbold
 2008-03-20 10:43:42 -07:00
Keith McGuigan
c2c3f0fe72 Merge 2008-03-20 09:17:30 -05:00
Vladimir Kozlov
b71360f557 6662967: Optimize I2D conversion on new x86 
Use CVTDQ2PS and CVTDQ2PD for integer values conversions to float and double values on new AMD cpu.

Reviewed-by: sgoldman, never
 2008-03-19 15:33:25 -07:00
Tom Rodriguez
d200260fe5 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations 
Copy elimination of a constant value results in incorrect execution

Reviewed-by: kvn, sgoldman, rasbold
 2008-03-19 15:14:36 -07:00
Steve Bohne
bf559c6dce 6667833: Remove CacheTimeMillis 
Remove -XX:+CacheTimeMillis option and associated functionality

Reviewed-by: acorn, never
 2008-03-19 09:58:01 -04:00
Tom Rodriguez
49434b6bad 6659207: access violation in CompilerThread0 
Split_thru_phi produces top on a non-dead path

Reviewed-by: kvn, rasbold, sgoldman
 2008-03-18 23:54:17 -07:00
Tom Rodriguez
8e1624d88c 6676841: ClearArrayNode::Identity is incorrect for 64-bit 
ClearArrayNode::Identity should use TypeX instead of TypeInt

Reviewed-by: jrose, kvn, sgoldman
 2008-03-18 23:44:46 -07:00
Tom Rodriguez
641bce6847 6666343: Compile::has_loops not always set correctly 
Compile::has_loops() should be set from inlined methods

Reviewed-by: kvn, rasbold
 2008-03-18 11:17:37 -07:00
Y. Srinivas Ramakrishna
f2b6ac989e 6634032: CMS: Need CMSInitiatingPermOccupancyFraction for perm, divorcing from CMSInitiatingOccupancyFraction 
The option CMSInitiatingPermOccupancyFraction now controls perm triggering threshold. Even though the actual value of the threshold has not yet been changed, so there is no change in policy, we now have the infrastructure in place for dynamically deciding when to collect the perm gen, an issue that will be addressed in the near future.

Reviewed-by: jmasa
 2008-03-16 21:57:25 -07:00
Vladimir Kozlov
20046c1a18 6672848: (Escape Analysis) improve lock elimination with EA 
Remove lock/unlock MemBar nodes and specify locks in debug info for deoptimization.

Reviewed-by: never
 2008-03-14 16:40:42 -07:00
Vladimir Kozlov
fc0117cb9a 6674588: (Escape Analysis) Improve Escape Analysis code 
Current EA code has several problems which have to be fixed.

Reviewed-by: jrose, sgoldman
 2008-03-14 15:26:33 -07:00
Steve Bohne
387f42921b 6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file 
Os::attempt_reserve_memory_at() now passes an address hint to mmap

Reviewed-by: kamg, dice
 2008-03-14 10:43:02 -04:00
Vladimir Kozlov
30dc0edfc8 6673473: (Escape Analysis) Add the instance's field information to PhiNode 
Avoid an infinite generation of instance's field values Phi nodes.

Reviewed-by: never
 2008-03-13 16:31:32 -07:00
Vladimir Kozlov
000ac830a0 6671807: (Escape Analysis) Add new ideal node to represent the state of a scalarized object at a safepoint 
Values of non-static fields of a scalarized object should be saved in debug info to reallocate the object during deoptimization.

Reviewed-by: never
 2008-03-13 16:06:34 -07:00
Daniel D. Daugherty
0745d10694 Merge 2008-03-13 14:17:48 -07:00
Chuck Rasbold
1931e94bad Merge 2008-03-13 05:40:44 -07:00
Daniel D. Daugherty
63a8cc420e 6667089: 3/3 multiple redefinitions of a class break reflection 
Use instanceKlass::method_with_idnum() instead of slot() to work with RedefineClasses().

Reviewed-by: sspitsyn
 2008-03-12 18:39:05 -07:00